Summary: TheX5 has more standard features.
X5 xDrive35i; X5 xDrive35i Premium, X5 xDrive35i Sports Activity, X5 xDrive35d, X5 xDrive50i 4-door CUV
3.0L Turbocharged I-6; 3.0L Twin-Turbodiesel I-6; 4.8L Twin-Turbo V-8
What’s New for ’12
Assist, iPod/USB adapter and Hi-Fi sound system are standard.
Roof rails are added to the xDrive50i and xDrive 35i models.
Lumbar support, automatic dimming mirrors, park distance control, automatic tailgate, ambient lighting and heated seats are standard on xDrive35i Premium and xDrive35i Sports Activity models.
xDrive50i models have the features of the xDrive35i Premium and xDrive35i Sports Activity models plus a navigation system.